Pols, E. (1963). The recognition of reason. Southern Illinois University Press.
Citazione stile Chigago Style (17a edizione)Pols, Edward. The Recognition of Reason. Carbondale: Southern Illinois University Press, 1963.
Citatione MLA (9a ed.)Pols, Edward. The Recognition of Reason. Southern Illinois University Press, 1963.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.